Table 2.

Comparison of patient setup time with and without SGRT

	Initial setup (s)	Imaging (s)		Initial setup (s)	Imaging (s)		Total setup time (s)
							LAS	SGRT
LAS			SGRT
Min	121	94	Min	121	86	Min	215	224
Median	183	144	Median	190	125	Median	330	323
Quartile 1	169	121	Quartile 1	158	111	Quartile 1	301	284
Quartile 3	200	166	Quartile 3	213	137	Quartile 3	352	337
Max	271	94	Max	285	191	Max	446	437
Mean	185	146	Mean	187 (NS)	127 (p < 0.05)	Mean	331	314 (p < 0.05)

LAS laser alignment based on skin marking, SGRT surface guided radiation therapy, NS not significant